BENSHAW RSi H2 Series - Page 210

Parameter Descriptions
198
890053-00-02
Overload Early Warning and Trip Setting Details
Code
Description
PRT-04
Load Duty
Select the Overload Level.
Setting
Function
0
Normal
Duty
Used in light loads like fans and pumps (overload
tolerance: 110%/120% of rated underload current for 1
minute).
1
Heavy
Duty
Used in heavy loads, like hoists and cranes (overload
tolerance: 150% of rated heavy load current for 1 minute).
PRT-17
OL Warn Select
Set to ‘1 (Yes)’ to activate the overload warning function. If ‘0 (No)’ is selected,
it will not operate.
PRT-18
OL Warn Level
PRT-19
OL Warn Time
When the input current to the motor is greater than the overload warning level
(OL Warn Level) and continues at that level during the overload warning time
(OL Warn Time), the output (Relay 1~5 or Q1) can send a warning signal
when set to ‘5’ Overload’. The inverter does not trip when warning levels
are reached.
PRT-20
OL Trip Select
Select the inverter protective action in the event of an overload fault.
Setting
Function
0
None
No protective action is taken.
1
Free-Run
The inverter output is blocked, and the motor will coast
to a stop.
3
Dec
The inverter decelerates the motor to a stop.
PRT-21
OL Trip Level
PRT-22
OL Trip Time
When the current supplied to the motor is greater than the value of the
overload trip level (OL Trip Level) and continues for the overload trip time (OL
Trip Time), the inverter output is either blocked or decelerates according to
the PRT-20 selection.
Note
Overload warnings warn of an overload before an overload fault occurs. The overload warning
signal will not operate if the overload warning level (OL Warn Level) and the overload warning
time (OL Warn Time) are set higher than the overload trip level (OL Trip Level) and the overload
trip time (OL Trip Time).